2 * AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2002 Ximian, Inc.
6 * 2002 Sun Microsystems Inc.
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Library General Public
11 * License as published by the Free Software Foundation; either
12 * version 2 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Library General Public License for more details.
19 * You should have received a copy of the GNU Library General Public
20 * License along with this library; if not, write to the
21 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 * Boston, MA 02111-1307, USA.
25 #ifndef _ATSPI_EVENT_LISTENER_H_
26 #define _ATSPI_EVENT_LISTENER_H_
28 #include "glib-object.h"
30 #include "atspi-types.h"
32 GType atspi_event_get_type (void);
35 * AtspiEventListenerCB:
36 * @event: (transfer full): The event for which notification is sent.
37 * @user_data: User data which is passed to the callback each time a notification takes place.
39 * A function prototype for callbacks via which clients are notified of AT-SPI events.
42 typedef void (*AtspiEventListenerCB) (const AtspiEvent *event,
46 * AtspiEventListenerSimpleCB:
47 * @event: (transfer full): The event for which notification is sent.
49 * Like #AtspiEventlistenerCB, but with no user_data.
52 typedef void (*AtspiEventListenerSimpleCB) (const AtspiEvent *event);
54 #define ATSPI_TYPE_EVENT_LISTENER (atspi_event_listener_get_type ())
55 #define ATSPI_EVENT_LISTENER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), ATSPI_TYPE_EVENT_LISTENER, AtspiEventListener))
56 #define ATSPI_EVENT_LISTENER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), ATSPI_TYPE_EVENT_LISTENER, AtspiEventListenerClass))
57 #define ATSPI_IS_EVENT_LISTENER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), ATSPI_TYPE_EVENT_LISTENER))
58 #define ATSPI_IS_EVENT_LISTENER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), ATSPI_TYPE_EVENT_LISTENER))
59 #define ATSPI_EVENT_LISTENER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), ATSPI_TYPE_EVENT_LISTENER, AtspiEventListenerClass))
61 typedef struct _AtspiEventListener AtspiEventListener;
62 struct _AtspiEventListener
65 AtspiEventListenerCB callback;
67 GDestroyNotify cb_destroyed;
70 typedef struct _AtspiEventListenerClass AtspiEventListenerClass;
71 struct _AtspiEventListenerClass
73 GObjectClass parent_class;
76 GType atspi_event_listener_get_type (void);
79 atspi_event_listener_new_simple (AtspiEventListenerSimpleCB callback,
80 GDestroyNotify callback_destroyed);
83 atspi_event_listener_register (AtspiEventListener *listener,
84 const gchar *event_type);
87 atspi_event_listener_register_from_callback (AtspiEventListenerCB callback,
89 GDestroyNotify callback_destroyed,
90 const gchar *event_type);
93 atspi_event_listener_register_no_data (AtspiEventListenerSimpleCB callback,
94 GDestroyNotify callback_destroyed,
95 const gchar *event_type);
98 atspi_event_listener_deregister (AtspiEventListener *listener,
99 const gchar *event_type);
102 atspi_event_listener_deregister_from_callback (AtspiEventListenerCB callback,
104 const gchar *event_type);
107 atspi_event_listener_deregister_no_data (AtspiEventListenerSimpleCB callback,
108 const gchar *event_type);
109 #endif /* _ATSPI_EVENT_LISTENER_H_ */